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Factored Approx out into own file

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This commit is contained in:
Phil Nash
2011-04-28 08:03:28 +01:00
parent 95419e935c
commit d7c203c3e9
4 changed files with 100 additions and 66 deletions
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68
include/internal/catch_capture.hpp
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@@ -17,8 +17,9 @@
#include "catch_interfaces_capture.h"
#include "catch_debugger.hpp"
#include "catch_evaluate.hpp"
#include "catch_hub.h"
#include "catch_common.h"
#include <sstream>
#include <cmath>
namespace Catch
{
@@ -642,72 +643,7 @@ public:
private:
std::ostringstream m_oss;
};
// !TBD Need to clean this all up
#define CATCH_absTol 1e-10
#define CATCH_relTol 1e-10
inline double catch_max( double x, double y )
{
return x > y ? x : y;
}
namespace Detail
{
class Approx
{
public:
///////////////////////////////////////////////////////////////////////////
// !TBD more generic
explicit Approx
(
double d
)
: m_d( d )
{
}
///////////////////////////////////////////////////////////////////////////
template<typename T>
friend bool operator ==
(
const T& lhs,
const Approx& rhs
)
{
// !TBD Use proper tolerance
// From: http://realtimecollisiondetection.net/blog/?p=89
// see also: http://www.cygnus-software.com/papers/comparingfloats/comparingfloats.htm
return fabs( lhs - rhs.m_d ) <= catch_max( CATCH_absTol, CATCH_relTol * catch_max( fabs(lhs), fabs(rhs.m_d) ) );
}
///////////////////////////////////////////////////////////////////////////
template<typename T>
friend bool operator !=
(
const T& lhs,
const Approx& rhs
)
{
return ! operator==( lhs, rhs );
}
double m_d;
};
}
///////////////////////////////////////////////////////////////////////////////
template<>
inline std::string toString<Detail::Approx>
(
const Detail::Approx& value
)
{
std::ostringstream oss;
oss << "Approx( " << value.m_d << ")";
return oss.str();
}
///////////////////////////////////////////////////////////////////////////////
// This is just here to avoid compiler warnings with macro constants
inline bool isTrue